CN211314543U

CN211314543U - Rotary fan and oil-gas separator thereof

Info

Publication number: CN211314543U
Application number: CN201922451625.0U
Authority: CN
Inventors: 刘兆清; 于仁科; 王燕
Original assignee: Jinan Qizheng Machinery Industry Co ltd
Current assignee: Jinan Qizheng Machinery Industry Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-21
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a rotary fan and oil and gas separator thereof belongs to the technical field that the air-blower was made, the on-line screen storage device comprises a base, fixedly connected with driving motor on the base, host computer and oil and gas separator, oil and gas separator includes the cooling core, the connecting plate, cooling core inlet tube and cooling core drain pipe, the cooling core is ring shape and inside cavity formation cooling chamber, the cooling intracavity is filled with the cooling water, cooling core inlet tube and cooling core drain pipe all communicate with the cooling chamber, the connecting plate also is ring shape and cooling core coaxial with the connecting plate, the lower terminal surface of connecting plate and the up end fixed connection of cooling core, and the coaxial fixed connection of connecting plate and jar body, jar body intake pipe sets up the below at the connecting plate. The utility model can separate and recycle the oil vapor in the high pressure air, thereby improving the recovery rate of the lubricating oil; meanwhile, the temperature of the lubricating oil can be reduced, and the lubricating oil can be recycled conveniently.

Description

Rotary fan and oil-gas separator thereof

Technical Field

The utility model belongs to the technical field of the air-blower is made, especially, relate to a rotary fan and oil and gas separator thereof.

Background

The rotary blower is one kind of blower and uses compressed air to realize aeration, so that it is also called aeration blower. The blower eccentrically operates by a rotor offset in a cylinder, and sucks, compresses, and discharges air by changing the volume between vanes in a rotor groove. The rotary fan generally comprises a base, the base is hollow and is provided with an oil storage cavity, a driving motor is fixedly connected to the base, a host and an oil-gas separator are arranged on the base, an output shaft of the driving motor is in transmission connection with an input shaft of the host through a belt pulley, an air compression cavity is formed in the host, a host air inlet pipe communicated with the air compression cavity is arranged on the host, a host exhaust pipe and an oil dripping pipe are arranged on the host, the oil-gas separator comprises a tank body, a tank air inlet pipe is communicated with the tank body, a tank exhaust pipe and a tank oil discharge pipe are communicated with each other, one end, far away from the air compression cavity, of the host exhaust pipe is communicated with one end, far away from the tank body, of the tank exhaust pipe and the air element, one end, far away from the tank body, of the.

At present, the publication date is 2010, 17 th month, and utility model patent that publication number is CN201423229 provides a rotary fan is with novel oil and gas separator, including a jar body, be equipped with safe relief valve interface in jar body top, be equipped with the manometer interface by the relief valve interface, be equipped with washing liquid export and oil return opening, characterized by in jar body bottom be equipped with the tangent tubulose tangential air inlet with jar external wall on jar body, be equipped with the porous ARC who is stained with the oil strain sponge in the inside of jar body, the oil strain sponge is located porous ARC below. After the rotary fan is started, high-pressure air is introduced into the tank body from the air inlet, centrifugal force is generated when the high-pressure air flows through the inner wall of the tank body to enable oil drops in the high-pressure air to be centrifuged on the inner wall of the tank body, and the oil drops are gradually condensed and flow to the bottom of the tank body along the inner wall of the tank body along with the lapse of time.

The above prior art solutions have the following drawbacks: the oil-gas separator can only separate oil drops from high-pressure air through centrifugal force formed by the high-pressure air in the tank body, but a large amount of heat is generated when the rotary fan rotates, part of lubricating oil is heated and evaporated into oil vapor, the oil vapor cannot be separated from the high-pressure air through a centrifugal method, and the recovery rate of the lubricating oil is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a to the not enough of prior art existence, the utility model discloses a first purpose provides an oil and gas separator, can condense the recovery from highly-compressed air with oil vapour, has improved the rate of recovery of lubricating oil.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides an oil and gas separator, which comprises a tank body, fixedly connected with and the tangent jar body intake pipe of jar external wall on the jar body, the upper portion fixedly connected with jar body blast pipe of the jar body, jar body intake pipe and jar body blast pipe all communicate with a jar body, still fixedly connected with jar body oil extraction pipe of the bottom of the jar body, jar body oil extraction pipe also communicates with jar body, the internal cooling body that is provided with of jar, cooling body is including the cooling core, the connecting plate, cooling core inlet tube and cooling core drain pipe, the cooling core is ring shape and inside cavity formation cooling chamber, the cooling intracavity is filled with the cooling water, cooling core inlet tube and cooling core drain pipe all communicate with the cooling chamber, the connecting plate also is ring shape and the cooling core is coaxial with the connecting plate, the lower terminal surface of connecting plate and the up end fixed connection of cooling core.

By adopting the technical scheme, the high-pressure air introduced into the tank body is cooled by the cooling core to cool oil vapor in the high-pressure air into oil drops, then the oil drops flow along with the high-pressure air, and the air inlet pipe of the tank body is tangent to the outer wall of the tank body, so that the high-pressure air rotates in the tank body to generate centrifugal force, the oil drops in the air are centrifuged to the inner wall of the tank body by the centrifugal force, and after the oil drops are condensed, the oil drops slide down to the bottom of the tank body under the self gravity to finish collection; the high-pressure air flows to the upper part of the connecting plate through the center of the cooling core and is discharged out of the oil-gas separator from the tank body exhaust pipe; by the arrangement, oil vapor in high-pressure air can be separated and recycled, and the recovery rate of lubricating oil is improved; meanwhile, the temperature of the lubricating oil can be reduced, and the lubricating oil can be recycled conveniently.

The present invention may be further configured in a preferred embodiment as: the spiral plate is fixedly connected to the outer peripheral surface of the cooling core along the axial direction of the cooling core.

Through adopting above-mentioned technical scheme for behind the high-pressure air from jar body intake pipe entering jar body, receive the direction of spiral plate, promote the high-pressure air at jar internal rotation time, increase high-pressure air's centrifugal effect, and then make oil drop more thorough that is separated, improved oil-gas separation's efficiency.

The present invention may be further configured in a preferred embodiment as: the spiral plate is arranged in a hollow mode, and a cavity of the spiral plate is communicated with the cooling cavity.

Through adopting above-mentioned technical scheme, increased the area of contact of highly-compressed air with the cooling water, promoted highly-compressed air's cooling effect, make oil vapour more easily cooled into oil and drip, and then by centrifugal collection, promoted the rate of recovery of lubricating oil.

The present invention may be further configured in a preferred embodiment as: the internal monitoring mechanism who is used for monitoring the internal oil level of jar that is provided with of jar, monitoring mechanism include cursory and contact switch, and cursory setting is at the internal jar, and cursory showy on the internal lubricating oil of jar, and contact switch fixed connection is internal at the jar, and when cursory, cursory contradicts with contact switch.

Through adopting above-mentioned technical scheme, when the liquid level of jar internal lubricating oil is higher than minimum spacing, the cursory floating, cursory conflict on contact switch, when the liquid level of jar internal lubricating oil is less than minimum spacing, cursory dropping, cursory and contact switch disconnection.

The present invention may be further configured in a preferred embodiment as: the monitoring mechanism further comprises a protective sleeve, the protective sleeve is fixedly connected to the inner surface of the tank body, the protective sleeve is sleeved on the outer peripheral surface of the buoy, and an air hole is formed in the protective sleeve.

By adopting the technical scheme, the buoy is arranged in the protective sleeve, so that the guiding effect of the buoy is achieved, the buoy is prevented from irregularly floating in the tank body, and the buoy is prevented from being incapable of abutting against the contact switch; meanwhile, the protective sleeve reduces the influence of flowing air flow in the tank on the buoy, so that the buoy is more accurate in liquid level monitoring.

A second object of the present invention is to provide a rotary blower capable of condensing and recovering oil vapor from high-pressure air.

the utility model provides a rotary fan, includes the base, and the base is cavity setting, fixedly connected with driving motor, host computer and if in the first purpose oil and gas separator, oil and gas separator's jar body and base fixed connection have seted up the chamber of calming anger in the host computer, be provided with on the host computer with the chamber intercommunication oil drip pipe of calming anger, the base internal fixation is provided with the oil tank, oil drip pipe is far away from the one end and the oil tank intercommunication in chamber of calming anger, the one end that the jar body was kept away from to jar body intake pipe communicates with the chamber of calming anger of host computer, the one end and the.

By adopting the technical scheme, the separated lubricating oil in the oil-gas separator is conveyed into the oil tank through the oil discharge pipe, the lubricating oil conveyed into the oil tank is dripped into the pressure air cavity from the oil dripping pipe under the driving of high-pressure air in the oil-gas separator, the lubricating oil is driven into the oil-gas separator by the high-pressure air after passing through the pressure air cavity for secondary separation, continuous circulation recovery is realized, and the recovery rate of the lubricating oil is improved.

The present invention may be further configured in a preferred embodiment as: a circulating water tank is fixedly arranged in the base, the circulating water tank is arranged below the oil tank, a heat-conducting plate is fixedly arranged between the oil tank and the water tank, and the heat-conducting plate separates a cavity of the water tank from a cavity of the oil tank; the end of the cooling core water inlet pipe far away from the cooling cavity is communicated with the water tank, and the end of the cooling core water outlet pipe far away from the cooling cavity is also communicated with the water tank.

By adopting the technical scheme, the circulating water tank continuously provides cooling water for the cooling core, so that the cooling water in the cooling core is circulated, and the cooling effect of the cooling mechanism is further ensured; meanwhile, the heat conducting plate is used as the shell of the oil tank and the shell of the water tank, heat of the lubricating oil can be transferred to the cooling water through the heat conducting plate, the lubricating oil is cooled again, and the cooling efficiency of the lubricating oil is improved.

The present invention may be further configured in a preferred embodiment as: the contact switch is electrically connected with the driving motor.

Through adopting above-mentioned technical scheme, fall when the cursory, the cursory no longer with contact switch after supporting, driving motor outage avoids the host computer to rotate under the condition that lacks lubricating oil, and then avoids the abnormal wearing and tearing of host computer, has protected rotary fan's host computer.

The present invention may be further configured in a preferred embodiment as: the base is also provided with an alarm, and the contact switch is also electrically connected with the alarm.

Through adopting above-mentioned technical scheme, fall when the cursory, the cursory no longer with contact switch after, alarm circular telegram is reported to the police, the internal lubricating oil that lacks of suggestion operating personnel jar.

To sum up, with current technical contrast, the beneficial effects of the utility model are as follows:

1. through the arrangement of the cooling mechanism, oil vapor in high-pressure air can be separated and recycled, and the recovery rate of lubricating oil is improved; meanwhile, the temperature of the lubricating oil can be reduced, and the lubricating oil can be recycled conveniently;

2. through the arrangement of the oil discharge mechanism, when no cooled lubricating oil exists in the tank body, the buoy cannot float, and the plunger is inserted into the oil discharge pipe of the tank body at the moment, so that high-pressure air is prevented from leaking out of the oil discharge pipe of the tank body;

3. through the cooperation setting of oil extraction mechanism, water tank, oil tank and transition bag, make high-pressure air both can drive lubricating oil circulation, also can drive cooling water circulation, practiced thrift driving cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic sectional view of an oil separator of the present embodiment;

FIG. 3 is a partial cross-sectional view schematically illustrating the present embodiment;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Reference numerals: 1. a base; 11. an oil tank; 12. a water tank; 13. a heat conducting plate; 2. a drive motor; 21. a driving wheel; 22. a driven wheel; 23. a belt; 3. a host; 31. an oil dripping pipe; 4. an oil-gas separator; 41. a tank body; 42. a tank body air inlet pipe; 43. a tank body exhaust pipe; 44. a tank body oil discharge pipe; 45. a cooling mechanism; 451. a cooling core; 452. a connecting plate; 453. a cooling core water inlet pipe; 454. a cooling core drain pipe; 455. a cooling chamber; 456. a spiral plate; 46. a monitoring mechanism; 461. a support frame; 462. floating; 463. a contact switch; 464. a protective sleeve; 465. and (4) air holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the present embodiment provides a rotary fan and an oil-gas separator thereof, wherein the rotary fan includes a base 1, the base 1 is hollow, and a cavity of the base 1 is provided with an oil tank 11 and a water tank 12. The oil tank 11 is arranged on the upper part of the base 1, the water tank 12 is arranged on the lower part of the base 1, the oil tank 11 and the water tank 12 are separated by a heat conduction plate 13, and the shell of the base 1 is a shell shared by the oil tank 11 and the water tank 12.

Referring to fig. 1 and 2, a driving motor 2, a main engine 3 and an oil-gas separator 4 as described in the first objective are fixedly connected to a base 1 through bolts, a gas compression chamber is formed in the main engine 3, a rotor is rotatably connected to the main engine 3 in the gas compression chamber, and the rotor rotates in the gas compression chamber to pressurize air. An oil dripping pipe 31 communicated with the air compressing cavity is arranged on the main machine 3, and one end of the oil dripping pipe 31 far away from the air compressing cavity is communicated with the oil tank 11.

Coaxial key-type connection has the action wheel 21 on driving motor 2's the output shaft, coaxial key-type connection has from the driving wheel 22 on the rotor, and the cover is equipped with belt 23 on the outer peripheral face of action wheel 21 and follow driving wheel 22, and driving motor 2 drives the rotor through belt 23 and rotates.

Referring to fig. 1 and 3, the oil-gas separator 4 includes a tank 41, a tank gas inlet pipe 42 tangent to the outer wall of the tank 41 is welded on the tank 41, a tank gas outlet pipe 43 is welded on the upper portion of the tank 41, one end of the tank gas inlet pipe 42, which is far away from the tank 41, is communicated with a gas compression cavity of the main machine 3, one end of the gas outlet pipe, which is far away from the tank 41, is communicated with a gas using element, and both the tank gas inlet pipe 42 and the tank gas. A tank oil discharge pipe 44 is welded at the bottom of the tank 41, the tank oil discharge pipe 44 is also communicated with the tank 41, and one end of the tank oil discharge pipe 44, which is far away from the tank 41, is communicated with the oil tank 11.

The tank 41 is provided with a cooling mechanism 45 for cooling the compressed air, and the cooling mechanism 45 includes a cooling core 451, a connecting plate 452, a cooling core inlet pipe 453, and a cooling core outlet pipe 454. The connecting plate 452 is circular, the connecting plate 452 is welded to the inner circumferential surface of the tank 41 or bolted to the inner circumferential surface, and the connecting plate 452 is disposed above the tank inlet pipe 42.

The cooling core 451 is also annular, the inner diameter of the cooling core 451 is the same as the inner diameter of the connecting plate 452, the cooling core 451 is fixedly connected to the lower surface of the connecting plate 452 by bolts, and the cooling core 451 is coaxial with the connecting plate 452. The cooling core 451 is hollow to form a cooling chamber 455, a spiral plate 456 is welded to the outer circumferential surface of the cooling core 451 in the axial direction of the cooling core 451, the spiral plate 456 is also hollow, and the cavity of the spiral plate 456 is communicated with the cooling chamber 455.

The cooling chamber 455 is filled with cooling water, the cooling core inlet tube 453 and the cooling core drain tube 454 are welded to the outer circumferential surface of the cooling core 451, and the cooling core inlet tube 453 and the cooling core drain tube 454 are both communicated with the cooling chamber 455. In order to improve cooling efficiency, a cooling core inlet pipe 453 is welded to a lower end of the cooling core 451, and a cooling core outlet pipe 454 is welded to an upper end of the cooling core 451. The ends of the cooling core water inlet pipe 453 and the cooling core water outlet pipe 454 far away from the tank 41 are both communicated with the water tank 12.

Referring to fig. 3 and 4, a monitoring mechanism 46 for monitoring the oil level in the tank 41 is further disposed in the tank 41, and the monitoring mechanism 46 includes a support frame 461, a float 462, a protective sleeve 464, and a contact switch 463. A support frame 461 is welded to the inner peripheral surface of the can 41, and the support frame 461 is disposed below the cooling core 451. The protective sleeve 464 is a circular tube, and one end of the protective sleeve 464 is welded on an end surface of the supporting frame 461 far away from the cooling core 451. A plurality of air holes 465 are opened at one end of the protection sleeve 464 close to the support frame 461, and the air holes 465 are uniformly arranged along the axis of the protection sleeve 464.

The contact switch 463 is fixedly connected to the support frame 461, and the protective sleeve 464 is sleeved outside the contact switch 463. The float 462 is arranged in the protective sleeve 464, and the float 462 is connected with the protective sleeve 464 in a sliding way along the length direction of the protective sleeve 464 under the buoyancy action of lubricating oil. When the float 462 is fully floated, the float 462 interferes with the contact switch 463.

Referring to fig. 2 and 4, the base 1 is further provided with an alarm, the contact switch 463 is electrically connected to the driving motor 2, and the contact switch 463 is further electrically connected to the alarm.

The implementation principle of the embodiment is as follows:

after the rotary fan is started, the rotor rotates, the blades of the rotor rub with the host machine 3 to generate heat to heat and evaporate lubricating oil, and the evaporated lubricating oil enters the oil-gas separator 4 along with compressed air; the compressed air entering the oil-gas separator 4 passes through the cooling core 451 and the spiral plate 456, and the lubricating oil in the compressed air is cooled and separated out by the cooling liquid; the compressed air generates centrifugal force when passing through the spiral plate 456, the precipitated lubricating oil is centrifuged on the inner circumferential surface of the tank 41 by the centrifugal force, and flows to the lower part of the tank 41 after being condensed, and the cooled compressed air is discharged from the tank exhaust pipe 43; the lubricating oil stored at the lower part of the tank body 41 is discharged into the oil tank 11 from the tank body oil discharge pipe 44 under the pushing of the compressed air pressure, and the lubricating oil in the oil tank 11 also flows into the air compression cavity of the main machine 3 from the oil dripping pipe 31, so that the rotor is lubricated, and meanwhile, the automatic circulation of the lubricating oil is realized;

under normal conditions, the lower part of the tank 41 holds a certain amount of lubricant, at which time the float 462 floats completely and the float 462 butts against the contact switch 463; when the lubricating oil in the tank 41 is less than a certain amount, the float 462 cannot float, so that the float 462 cannot contact the contact switch 463, the contact switch 463 controls the driving motor 2 to stop rotating at the moment, the abrasion of the main machine 3 is avoided, and meanwhile, the alarm gives an alarm to prompt an operator to add lubricating oil into the tank 41.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An oil-gas separator comprises a tank body (41), a tank body air inlet pipe (42) tangent to the outer wall of the tank body (41) is fixedly connected to the tank body (41), a tank body air outlet pipe (43) is fixedly connected to the upper part of the tank body (41), the tank body air inlet pipe (42) and the tank body air outlet pipe (43) are both communicated with the tank body (41), a tank body oil outlet pipe (44) is also fixedly connected to the bottom of the tank body (41), and the tank body oil outlet pipe (44) is also communicated with the tank body (41),

be provided with cooling body (45) in jar body (41), cooling body (45) are including cooling core (451), connecting plate (452), cooling core inlet tube (453) and cooling core drain pipe (454), cooling core (451) are ring shape and inside cavity forms cooling chamber (455), be filled with cooling water in cooling chamber (455), cooling core inlet tube (453) all communicate with cooling chamber (455) with cooling core drain pipe (454), connecting plate (452) also are ring shape and cooling core (451) and are coaxial with connecting plate (452), the lower terminal surface of connecting plate (452) and the up end fixed connection of cooling core (451), and connecting plate (452) and jar body (41) coaxial fixed connection, jar body intake pipe (42) set up the below at connecting plate (452).

2. An oil separator as claimed in claim 1, wherein a spiral plate (456) is fixedly connected to an outer circumferential surface of the cooling core (451) in an axial direction of the cooling core (451).

3. An oil separator as claimed in claim 2 wherein the spiral plate (456) is hollow and the cavity of the spiral plate (456) communicates with the cooling chamber (455).

4. An oil-gas separator as claimed in claim 3, characterized in that a monitoring mechanism (46) for monitoring the oil level in the tank (41) is arranged in the tank (41), the monitoring mechanism (46) comprises a float (462) and a contact switch (463), the float (462) is arranged in the tank (41), the float (462) floats on the lubricating oil in the tank (41), the contact switch (463) is fixedly connected in the tank (41), and when the float (462) floats, the float (462) is abutted against the contact switch (463).

5. An oil-gas separator as claimed in claim 4, wherein the monitoring mechanism (46) further comprises a protective sleeve (464), the protective sleeve (464) is fixedly connected to the inner surface of the tank body (41), the protective sleeve (464) is sleeved on the outer peripheral surface of the float (462), and the protective sleeve (464) is provided with an air hole (465).

6. A rotary fan comprises a base (1), wherein the base (1) is arranged in a hollow manner, a driving motor (2) fixedly connected to the base (1) and a main machine (3) are provided with air compression chambers in the main machine (3), an oil dropping pipe (31) communicated with the air compression chambers is arranged on the main machine (3), an oil tank (11) is fixedly arranged in the base (1), one end, far away from the air compression chambers, of the oil dropping pipe (31) is communicated with the oil tank (11), and the rotary fan is characterized in that an oil-gas separator according to any one of claims 4 or 5 is further arranged on the base (1), a tank body (41) of the oil-gas separator (4) is fixedly connected with the base (1), one end, far away from the tank body (41), of a tank body air inlet pipe (42) is communicated with the air compression chambers of the main machine (3), and one end, far away from the tank body (41).

7. The rotary fan according to claim 6, wherein the base (1) is further fixedly provided with a circulating water tank (12), the circulating water tank (12) is arranged below the oil tank (11), a heat conducting plate (13) is fixedly arranged between the oil tank (11) and the water tank (12), and the heat conducting plate (13) separates a cavity of the water tank (12) from a cavity of the oil tank (11); one end of the cooling core water inlet pipe (453) far away from the cooling cavity (455) is communicated with the water tank (12), and one end of the cooling core (451) water outlet pipe far away from the cooling cavity (455) is also communicated with the water tank (12).

8. A rotary fan according to claim 7 wherein the contact switch (463) is electrically connected to the drive motor (2).

9. The rotary fan of claim 7, wherein the base (1) is further provided with an alarm, and the contact switch (463) is further electrically connected with the alarm.